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Grace [21]
2 years ago
9

Dado P(x) = x2– kx + 2, hallar el valor de k para que P( – 2)=8

Mathematics
1 answer:
NARA [144]2 years ago
7 0
K =1 see attached picture
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Timin
Brums [2.3K]
I think I just had a stroke trying to read this
6 0
3 years ago
The perimeter of a semicircle is 25.7 feet. What is the semicircle's radius?<br><br> Use 3.14 for ​.
jarptica [38.1K]

Answer: 4.09

Step-by-step explanation:

25.7 divided by pie is 8.18 which is the diameter. divide that by 2 and u get the radius.

7 0
3 years ago
You sell 3 hamburgers at $2.10 each plus 0.38 tax. A customer gives you a $10.00 bill. How much change does he get?
azamat
The customer's change would be 3.32
7 0
3 years ago
Read 2 more answers
H=-5 and w=2, work out the value of 4h-3w
olganol [36]
You would simply have to plug in, or substitute, the given values in the equations.

So, H=-5, W=2 and the problem is 4h-3w

To plug them in, your new equation would be 4(-5)-3(2) and simplify. So it becomes -20-6 which = -26. 

And -26 would be your answer.
3 0
3 years ago
Read 2 more answers
Xy has 10 pets: 4 dogs, 3 cats, 2 alpacas and 1 bunny. If he wants to arrange them in a row and make sure the pets are always gr
Anastaziya [24]

The number of ways pets can be arranged in group according to the species is  in a row 288 ways.

Pets can be grouped by permutation concept as follows.

Total number of pets = 10

Number of dogs = 4

Number of cats = 3

Number of alpacas = 2

Number of bunny = 1

The number of ways pets can be arranged in group according to the species in a row as,

⇒ (4!)(3!)(2!)(1!)

⇒ (24)(6)(2)(1)

⇒ 288

Hence we can conclude that the number of ways pets can be arranged in group according to the species in a row is 288 ways.

Learn more about permutation here

brainly.com/question/22444718

#SPJ4

8 0
2 years ago
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